Note 9 - Acquisition of Business - Purchase Price (Details) - USD ($) $ in Thousands	Dec. 01, 2017	Mar. 08, 2016
BAMKO [Member]
Cash consideration at closing, net of cash acquired		$ 15,161
Restricted shares of Superior common stock issued		4,558
Contingent consideration		5,205
Business Combination, Consideration Transferred, Total		$ 24,924
Tangerine [Member]
Cash consideration at closing, net of cash acquired	$ 7,222
Restricted shares of Superior common stock issued	1,657
Contingent consideration	3,209
Business Combination, Consideration Transferred, Total	$ 12,088

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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Amount of increase (decrease) in the value of right to a contingent consideration asset.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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